15077454140 has 96 divisors (see below), whose sum is σ = 36444879744. Its totient is φ = 5132574720.

The previous prime is 15077454113. The next prime is 15077454211. The reversal of 15077454140 is 4145477051.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 15077454094 and 15077454103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14766830 + ... + 14767850.

It is an arithmetic number, because the mean of its divisors is an integer number (379634164).

Almost surely, 2^15077454140 is an apocalyptic number.

15077454140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15077454140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18222439872).

15077454140 is an abundant number, since it is smaller than the sum of its proper divisors (21367425604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15077454140 is a wasteful number, since it uses less digits than its factorization.

15077454140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687 (or 1685 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The spelling of 15077454140 in words is "fifteen billion, seventy-seven million, four hundred fifty-four thousand, one hundred forty".